Narrow composite doors:
Slim, secure and stylish
Narrow external doors offer the perfect blend of style, strength, and security. Whether it’s a back door, a side entrance or a compact front porch, they bring elegance and efficiency to even the tightest of spaces.
From classic woodgrain finishes to bold and, modern colours, narrow composite doors can be tailored to suit any taste. Add some personality with decorative glass, polished chrome handles, or a vibrant colour that sure to turns heads.
When it comes to security, our narrow composite doors are best-in-class. With advanced multi-point locking systems, anti-snap cylinders, and reinforced cores, they’re built to not only keep your home safe, but also cosy in winter and cool in summer. Their tough, weather-resistant construction means they won’t warp or crack over time, standing strong against both intruders and the elements.
Narrow doors offer the ultimate combination of style, safety and security. Proof that great things really do come in small packages.
Why not compliment your narrow door with a great selection of front doors, back doors, stable doors or French double doors, there’s a great choice of composite doors to choose from.
Due to the bespoke nature of this product, we recommend discussing your requirements with your nearest installer.
Why choose Solidor?

Solid timber
core
Designed for life and made to last, with little maintenance.

Thermal
efficiency
Outstanding energy efficiency that keeps the warmth in and cold out.

Safe and
secure
The most secure locking systems that give you the highest protection.

Made in Britain,
fitted locally
Lovingly made in Britain and locally fitted to last.

Vibrant colour
range
Set the stage for your home’s first impression with over 27 colour choices.
Showing 1241–1260 of 3456 resultsSorted by latest
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Flint 1
Buttercup Yellow
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Conway Solid
Golden Oak
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Flint Solid
Pistachio
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Edinburgh 2
Painswick
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London
Pebble Grey
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Flint Solid
Forest Green
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Stafford 1
Cream
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Windsor
Peacock Blue
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Genoa
Cream
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Alnwick
Pistachio
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Trieste
Green
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Flint Solid
Blue
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Tenby 4
Midnight Grey
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Parma
Golden Oak
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Alnwick
Anthracite Grey
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Flint Square
Pistachio
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Tenby Solid
Granite Grey
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Brescia
Granite Grey
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Parma
Tangerine
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Naples
Irish Oak
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Our composite door ranges
Traditional range
The Traditional range from Solidor brings classic door styles into the modern era. Each beautifully crafted door style is suited to both traditional and modern properties alike.
Contemporary italia range
The Contemporary Italia range is quite simply the most luxurious range of composite doors in the UK market today, which has been inspired by the Italian passion for design and style.
Side panels
We offer matching side panels from our full range of doors in full height and half height options. Choose a different colour door frame for added impact when you have a large door area.
Door buying guide
Buying a door isn’t something you do every day. Your exterior doors can have a big influence on the security, energy efficiency, look, and even the value of your house.
Our guide aims to simplify the process and guide you through all the considerations you need to make and the options available.
Narrow door glazing options
Transform your narrow front door with decorative glass. With the option for bevelled, coloured and textured glass available you can make your door your own.
Whether modern or traditional you will find a glass style to really make your door stand out.
Narrow door security
Gain peace of mind knowing that our composite doors stand out as among the most secure on the market.
Rest easy, knowing that we also only use the best and most secure locking mechanisms too.
That’s why our commitment is to ensure your safety through top-notch door security for your home.
Narrow door hardware
and accessories
We offer a fine selection of beautiful accessories to perfectly complement your choice of door.
Whether modern or traditional you will find an accessory to really make your door stand out.
From locks to handles, letterplates to door knockers, we have something for everyone.
Choose Solidor’s solid
timber core
Our solid timber core composite doors are the result of many years development and contains different layers of carefully selected wood.
The outer timbers are more dense, ensuring rigidity, quality and providing a tough shell. The timber used in the heart of the door acts as an insulating material that provides excellent thermal efficiency.
Our Through’ Colour ABS Skins are made from the same durable plastic as Lego©, and as the skin is made entirely of a solid colour, any scratches are almost invisible.
As a result of this combination, the door is robust, extremely secure and it looks absolutely amazing.
Your style. Your statement. Your Solidor.
Brochure download
Ready to unlock your new door?
Self-expression isn’t a one size fits all. Its real, its personal, its yours.
Download your brochure and be inspired.
What’s inside…
- Door styles
- Contemporary Italia collection
- Traditional collection
- Colours
- Glazing options
- Security options
- Finishing options
Find your nearest approved Solidor installer.
Enter your postcode to find your nearest Solidor approved composite door installer.